1684368924 has 72 divisors (see below), whose sum is σ = 4812514560. Its totient is φ = 455916384.

The previous prime is 1684368919. The next prime is 1684368977. The reversal of 1684368924 is 4298634861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64212 + ... + 86555.

It is an arithmetic number, because the mean of its divisors is an integer number (66840480).

Almost surely, 2^1684368924 is an apocalyptic number.

1684368924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1684368924 is an abundant number, since it is smaller than the sum of its proper divisors (3128145636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1684368924 is a wasteful number, since it uses less digits than its factorization.

1684368924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150807 (or 150798 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 1684368924 is about 41041.0638750995. The cubic root of 1684368924 is about 1189.8139963029.

The spelling of 1684368924 in words is "one billion, six hundred eighty-four million, three hundred sixty-eight thousand, nine hundred twenty-four".